<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="vue.js"></script>
    <title>Document</title>
    <style>
        .v-enter,
        .v-leave-to {
            opacity: 0;
            transform: translateX(150px);
        }

        .v-enter-active,
        .v-leave-active {
            transition: all 0.5s ease;
        }
    </style>
</head>

<body>
    <div id="app">
        <a href="" @click.prevent="comName='login'">登陆</a>
        <a href="" @click.prevent="comName='register'">注册</a>

        <transition mode="out-in">
            <component :is="comName"></component>
        </transition>

    </div>
    <template id="register">
        <div>
            <h3>注册组件</h3>
        </div>
    </template>
</body>

<script>
    Vue.component('login', {
        template: '<h3>登陆组件</h3>'
    })
    Vue.component('register', {
        template: '#register'
    })

    var vm = new Vue({
        el: '#app',
        data: {
            comName: 'login'
        }

    })
</script>

</html>